DECK

Read syntax diagramSkip visual syntax diagramDECK=NODECK=YES
YES
instructs the assembler to place the generated object module in the file defined by the SYSPUNCH DD statement (z/OS®), the FILEDEF SYSPUNCH command (CMS), or the ASSGN SYSPCH statement (z/VSE®).
NO
instructs the assembler not to place the generated object module in the file defined by the SYSPUNCH DD statement (z/OS), the FILEDEF SYSPUNCH command (CMS), or the ASSGN SYSPCH statement (z/VSE).
Default
DECK=NO
Important:
Under z/VSE, the DECK assembler option can only be set using the // OPTION DECK job control statement. The value specified for the DECK option during installation is ignored by the assembler.